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- Keywords Heterogeneous compact internal fixers;Unstable lumbar spine;Pedicular fixation;Interbody fusion; 异种皮质骨内固定器;腰椎不稳;椎弓根钉固定;椎间融合;
- Unstable lumbar spine 腰椎不稳
- Spondylolysis makes lumbar spine unstable, reduces its ability to withstand the shear force, and mades it prone to slipper. 提示：峡部裂使腰椎失稳，抗剪切力能力下降，造成椎体滑脱倾向。
- Conclusion To judge the stability of lumbar spine by the intervertebral contact area, lumbar is stable during spondylolisthesis rate 0-23% and becomes unstable during 23%-44% phase. 结论 根据腰椎滑脱时椎体间接触面积变化的规律判断腰椎的稳定性，滑脱率0-23%25阶段为稳定期，滑脱率23%25-44%25阶段为相对不稳期。
- Arthritis often coexists in the hip and lumbar spine. 髋关节炎常和腰椎关节炎伴发。
- Conclusion: Total laminectomy destroyed the stability of lumbar spine. 结论:全椎板切除术极大破坏腰椎稳定性。
- Methods The BMD in vertebra of lumbar spine(L1-L4)were measured by QCT in 53 healthy middle-old-aged persons and 68 osteoporosis patients. 方法对53例健康无症状中老年人和68例临床拟诊骨质疏松患者进行L1-L4椎体BMD测定。
- Lumbar segmental instability is a temporary phase in the degenerative process of the lumbar spine. 腰椎节段性失稳是腰椎退变过程中一个暂时的阶段。
- BMD at lumbar spine of male patients in intensification group decreased slower than that of control group (P<0.05). 男性患者中对照组腰椎骨密度下降速度快于强化降糖治疗组(P<0.;05)。
- KEYWORDS: extradural space; histological examination; lumbar spine; rheumatoid arthritis; rheumatoid nodule. 关键词：硬膜外间隙；组织学检查；腰椎；类风湿性关节炎；类风湿性结节
- Conclusion The lumbar spine measurement with lateral DXA can avoid some adverse influence of post-anterior DXA. 结论腰椎侧位检测可避开某些因素对腰椎正位检测的影响。
- Methods. MRI of the thoracic and lumbar spine were undertaken and urgent decompression laminectomy followed. 方法患者接受了胸腰椎MRI扫描，随后接受紧急椎板切除减压。
- Key words: systematic reiew, degeneratie spondylolisthesis, lumbar spine, decompression, fusion, instrumentation. 关键词：系统性回顾，退行性腰椎滑脱，腰椎，减压，融合，器械
- Key words: lumbar spine, destabilized spine, interspinous instrumentation, biomechanics, finite element model. 关键词：腰椎，腰椎不稳，椎间融合器，生物力学，有限元模型
- Objective: To improve CT diagnostic level of spondylolysis and spondylolisthesis of the lumbar spine. 目的:为了提高腰椎峡部裂并脊柱滑脱的电子计算机体层扫描(CT)诊断水平。
- Methods CT appearances of spondylolysis(62 cases) and spondylolisthesis(44 cases) of the lumbar spine were reviewed. 方法回顾腰椎峡部裂(62例)并脊柱滑脱(44例)患者的CT平扫资料。
- For the lumbar spine, a general guidelineis to lengthen and avoid overarching this area in all standing postures. 2对于腰椎，一个基本原则是在所有站立姿势中尽量伸展拉长、避免这个区域的过度弯曲。
- Methods:The CT appearances of spondylolysis of the lumbar spine were analyzed retrospectively in 26 cases. 方法:回顾分析了26例腰椎峡部裂的CT表现。
- Intraspinal synovial cyst of the lumbar spine is an uncommon degenerative lesion near the facet joint. 腰椎滑液囊肿是一种临近于关节面少见的疾病。
